我正在學習斯卡拉,我卡在你好世界腳本。斯卡拉:你好世界腳本不起作用
我hello.scala是:
Console.println("Hello World")
我運行的腳本是這樣的:
scala hello.scala
我得到一個奇怪的例外:
java.net.UnknownHostException: salil: salil: Name or service not known
at java.net.InetAddress.getLocalHost(InetAddress.java:1438)
at scala.tools.nsc.io.Socket$.localhost(Socket.scala:38)
at scala.tools.nsc.CompileSocket.getsock$1(CompileSocket.scala:169)
at scala.tools.nsc.CompileSocket.getOrCreateSocket(CompileSocket.scala:184)
at scala.tools.nsc.ScriptRunner.compileWithDaemon(ScriptRunner.scala:80)
at scala.tools.nsc.ScriptRunner.compile$1(ScriptRunner.scala:123)
at scala.tools.nsc.ScriptRunner$$anonfun$withCompiledScript$1.apply$mcZ$sp(ScriptRunner.scala:157)
at scala.tools.nsc.ScriptRunner$$anonfun$withCompiledScript$1.apply(ScriptRunner.scala:131)
at scala.tools.nsc.ScriptRunner$$anonfun$withCompiledScript$1.apply(ScriptRunner.scala:131)
at scala.tools.nsc.util.package$.waitingForThreads(package.scala:26)
at scala.tools.nsc.ScriptRunner.withCompiledScript(ScriptRunner.scala:130)
at scala.tools.nsc.ScriptRunner.runScript(ScriptRunner.scala:188)
at scala.tools.nsc.ScriptRunner.runScriptAndCatch(ScriptRunner.scala:201)
at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala
我SCALA_HOME是/ opt /scala-2.9.1.final
我的路徑中有$ SCALA_HOME/bin。
我JAVA_HOME是:/usr/java/jdk1.7.0
這是一個問題,我的設置,或者是由於某些問題使用Scala庫和JDK1.7?
它可以與不同版本的Scala/JDK一起使用嗎? – Jus12
你在哪個平臺上? – Mark
我在Fedora 15上。 – Salil